配合物[Cu2（m-MBA）4（2,2′-bipy）2（H2O）]·H2O的水热合成、晶体结构及电化学分析

铜是重要的生命元素,它与有机酸形成的配合物广泛存在于生命体系中,对生命体系有着特殊的生物活性和催化作用,而且在某些生物化学过程     

Synthesis,Crystal Structure,and Fluorescent and Thermal Stability Properties of Two New Cobalt(Ⅱ) Complexes with 2,2'-Bipy as Ligand

Two new cobalt(Ⅱ)complexes[Co_2(2,2?-bipy)_2(dpa)_2(H_2O)_5]·4H_2O(1)and Co(2,2?-bipy)_3(SO_4)]·7.5H_2O(2)have been synthesized with diaphonic acid(H_2dpa)and 2,2?-bipyridine(2,2?-bipy)as ligands.In 1,two neighboring cobalt(Ⅱ)ions are linked together by one bridging diaphonic acid group,forming an asymmetric dinuclear structure.1 crystallizes in triclinic,space group ■ with a=9.825(6),b=13.007(8),c=19.586(1)?,α=80.773(1)o,β=77.065(1)o,γ=85.902(1)o,M_r=431.4,V=2406.5(3)?~3,D_c=1.48 g/cm~3,Z=2,μ(Mo Kα)=0.767 mm~(-1),F(000)=1112,the final R=0.0379 and wR=0.0862.The central cobalt(Ⅱ)ions in 1 and 2 are coordinated with six atoms,forming distorted octahedral coordination geometry.The fluorescence and thermal stability properties of 1 and 2 are also reported.     

一维链状配位聚合物[Cd(phen)(α-Furacrylic radical)2]n的水热合成、晶体结构及荧光分析

羧酸配合物具有丰富的拓扑结构,在磁学、光学、催化、生物等诸多领域有广泛的应用前景,人们对羧酸配合物的研究一直保持着浓厚的兴趣[1,2].     

配合物[Cu2(m-MBA)4(2，2′-bipy)2(H2O)]·H2O的水热合成、晶体结构及电化学分析

A copper(Ⅱ) complex [Cu₂(m-MBA)₄(2，2′-bipy)₂(H₂O)]·H₂O with m-methylbenzoic acid (m-MBA), 2,2′-bipyridine (2,2′-bipy) and water molecule has been synthesized by means of hydrothermal way and characterized. Crystal data for this complex: monoclinic, space group C2/c, a=2.591 8(5) nm, b=1.414 2(3) nm, c=1.790 8(4) nm, β=131.80(3)°, V=4.893 3(17) nm³, D_c=1.379 g·cm^-3, Z=4, F(000)=2 104 , Final GooF=1.034, R₁=0.065 6, wR₂=0.197 6. The crystal structure shows that two neighboring copper(Ⅱ) ions are linked together by two bridging-chelating m-methylbenzoic acid groups, one bridging water molecule, forming a cage structure and the Cu(Ⅱ)-Cu(Ⅱ) bond distance is 0.366 7 nm. Each copper(Ⅱ) ion is coordinated with two nitrogen atoms of one 2,2′-bipyridine molecule and four oxygen atoms from three m-methylbenzoic acid molecules and one water molecule, repectiveley, forming a distorted octahedral coordination geometry. The cyclic voltammetric behavior of the Complex was also investigated. CCDC: 648619.     

一维链状钴配位聚合物Co（α-Furoic acid）2（4,4'-bipy)2(H2O)2的结构及电化学性质

在甲醇和水的混合溶剂中用呋喃甲酸、4,4'-联吡啶和碳酸钴合成了一种新型配位聚合物[Co(α-Furoic acid)2(4,4'-bipy)2 (H2O)2]. 该配合物晶体属三斜晶系,空间群P 1,晶胞参数a=1.138 4(4),b=1.138 4(4),c=1.302 9(9) nm;γ=120.0°,V=1.462 3(12) nm3,Dc=1.612 g/cm3,Z=3,F(000)=729. 最终偏离因子R1=0.049 0,wR2=0.143 6. 晶体中钴原子与2个bipy的2个N原子及2个呋喃甲酸根的2个氧原子配位及2个水分子的2个氧原子配位,形成六配位的变形八面体结构,结合晶体结构进行了电化学性质研究. 结果表明,电极反应中电子转移是准可逆的,配合物稳定性好.     

乙酰二茂铁修饰碳糊电极测定废水中对氨基苯酚

利用线性扫描溶出伏安法研究了对氨基苯酚(PAP)在乙酰二茂铁修饰碳糊电极电化学行为。结果表明:在磷酸盐缓冲溶液(pH3.2)中,该修饰电极对PAP具有较好的催化活性,其峰电流与PAP浓度在7.0×10-7～3.0×10-5mol/L范围内呈线性关系,检出限为1.0×10-7mol/L(S/N=3)。利用该法测定了模拟水样中PAP的含量。     

一维链状锰配位聚合物{[Mn(4，4′-bipy)(2，4，6-TMBA)2(H2O)2]·(H2O)2·(4，4′-bipy)}n的合成、晶体结构及电化学性质

配位聚合物由于其具有明确有序的一维或多维微观结构以及优异独特的宏观特性,在催化、光学材料、信息存储等领域具有广泛潜在的应用前景[1～3].     

配合物{Cd(phen)[(C6H5)2C(OH)COO]2}2·H2O的合成、晶体结构及荧光性质

羧酸配合物在配位化学中占有重要地位.羧酸配合物有丰富的拓扑结构、较高的稳定性,在磁学、光学、催化、生物等诸多领域有广泛的应用前景,羧酸配合物引起了人们广泛的兴趣和极大的关注[1～3].近年来,我们用小位阻的羧酸配体合成了一些羧酸配合物[4～6],而对于大位阻的羧酸配体体系我们研究很少.二苯乙醇酸是一种大位阻的柔性芳香羧酸,文献报道的二苯乙醇酸配合物不多[7-9].     

配合物[Cu2(phen)2](SiW12O40)(H2O)7的合成、晶体结构及电化学分析

The title complex has been synthesized by the reaction of silicotungstic acid, 1,10-phenanthroline (phen) monohydrate and cupric acetate. The crystal structure belongs to triclinic system, space group P1 with a=1.158 46(15) nm, b=1.658 8(2) nm, c=1.664 4(2) nm, α=82.090(2)°, β=76.001(2)°, γ=86.531(2)°, and V=3.072 6(7) nm³, D_c=3.887 g·cm^-3, Z=2, F(000)=3 196. R₁=0.086 7, wR₂=0.185 8. The structure shows that the copper(Ⅱ) atom is coordinated with two nitrogen atoms from the one phen and three oxgygen atoms from three water, forming a distorted square-pyramid configuration The cyclic voltametric behavior of the complex is also reported. CCDC: 298807.     

[Cu(PTA)(Phen)2](p-MBA)(H6O)配合物的合成、晶体结构及电化学分析

The crystal structure of the title complex with the stoichiometric formula [Cu(PTA)(Phen)₂](p-MBA)(H₆O) (Phen=1,10-phenanthroline, PTA=terephthalic acid, p-MBA=p-toluic acid) has been determined by single-crystal X-ray diffraction. The crystal (C₄₈H₄₀CuN₄O₁₀, M_r=896.38) belongs to the monoclinic space group C2/c, with the following crystallographic parameters: a=1.778 6(3) nm, b=1.912 5(3) nm, c=1.389 9(2) nm, β=114.686(2)°, V=4.295 7(12) nm³, D_c=1.386 g·cm^-3, Z=4, μ(Mo Kα)=0.574 mm^-1, F(000)=1 860, final GooF=1.019, R=0.054 0, wR=0.148 3 for 2 644 observed reflections (I>2σ(I)). The crystal structure shows that the copper(Ⅱ) ion is coordinated with two oxygen atoms from one terephthalic acid molecule and four nitrogen atoms from two 1,10-phenanthroline molecules, forming a distorted octahedral coordination geometry. The cyclic voltametric behavior of the complex is also reported. CCDC: 298809.